Home / 98,681.64-136,182.66-53,972.52

Finding the Fourth Proportional to 98,681.64, 136,182.66 and 53,972.52

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Solution

The fourth proportional to 98,681.64, 136,182.66 and 53,972.52 is: 74,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,681.64 : 136,182.66 = 53,972.52 : x
  2. Step 2: Convert to fraction form
    98,681.64/136,182.66 = 53,972.52/x
  3. Step 3: Cross multiply
    98,681.64x = 136,182.66 × 53,972.52
  4. Step 4: Simplify right side
    98,681.64x = 7,350,121,340.50
  5. Step 5: Solve for x
    x = 7,350,121,340.50/98,681.64
  6. Step 6: Final answer
    x = 74,483.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.